Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9be45929e5f32bd…

MALICIOUS

PDF

41.5 KB Created: 2020-08-23 05:53:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7ba8548a253861be7387dbb94f10299f SHA-1: 39436a4c1f19b22aa9a96df16b9a9f6fe4e41ede SHA-256: d9be45929e5f32bdf40c8bd051e7189bcd2bb21c9b5d1036ef473d508afc2257
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm. One of the primary URLs, 'https://ttraff.ru/pify?keyword=driving+school+2017+apk+mod+3.+5', is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'driving school' and appears to be a lure. The presence of numerous links, including those hosted on Shopify and other domains, suggests an attempt to distribute malicious content or phish users by obscuring the true destination through redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=driving+school+2017+apk+mod+3.+5 In PDF document text
    • http://luxoga.carlosgraysantana.com/uploads/1/3/1/4/131407178/aca98d802b0b.pdfIn PDF document text
    • http://zelamugo.foundationscareercoaching.ca/uploads/1/3/1/4/131406437/xumikunevo.pdfIn PDF document text
    • http://files.inessencecreative.com/uploads/1/3/1/1/131164556/wemeloluzufigis.pdfIn PDF document text
    • http://kibifu.craftingwithapril.co/uploads/1/3/1/8/131857114/kutupene-doraniwub-rufavizimiw-fosupanene.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6331/2535/files/applications_of_c_programming_language.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2092/7655/files/49279627138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3593/4370/files/80995563063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9095/8749/files/dukupegerulu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6877/5841/files/34129066945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8933/0325/files/ffxiv_desynth_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2145/0914/files/geragebitatusisugoguze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2670/1723/files/gosolukakipufuwazalulunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8307/0630/files/saralo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7042/2180/files/nelep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5390/8117/files/98456119080.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005932.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5932 6336 bytes
SHA-256: 6de3f6961ea8d83c07bb8c9c4ccfa267630cc1cfb68928805f5b0b47cef9b16f
font_01_sfnt_off00006ea1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA1 1704 bytes
SHA-256: d4ed4897cac276ad8b4432568dbc6a6dc4e77cab6327dc0d74daf3897b35b229
font_02_sfnt_off00007722.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7722 9888 bytes
SHA-256: 500c26e54212af88ece2df5c5c59cdc518e2c612a73ae7947a6dd47afe8b01b0